STP269: Analytical Flame Photometry: New Developments

    Gilbert, Paul T.
    Beckman Instruments, Inc., Fullerton, Calif.

    Pages: 84    Published: Jan 1960


    Abstract

    The following topics are discussed: The current status of flame photometry; novel sources: hot flames (fluorine, perchloryl fluoride, cyanogen, carbon subnitride), special flames (ozone, atomic hydrogen, activated gases, spark-in-flame), discharges (spark-in-spray, Spectranal, discharge burner, electrodeless discharges, electronic torch, plasma jet, constricted arc, irradiated arc, etc.); atomic absorption analysis; topics in sample feeding and control: solid sparking, powder atomizers, centrifugal, ultrasonic, and electrostatic atomizers, controlled-flow pneumatic atomizers; novel methods of gas flow control; special mirrors for intensifying flame emission; high-resolution and multichannel flame spectrophotometers (Quantometers); interference wedges and filters; red-sensitive photodetectors, especially photomultipliers; flame spectrography; radioactive phosphor reference, special recording methods, oscillographic scanning, signal integration; new flame spectra of the elements: in oxyhydrogen (lithium, beryllium, magnesium, strontium, lanthanum, cerium, ytterbium, vanadium, iron, cobalt, nickel, boron, aluminum, indium, thallium, bismuth, tin), in air-hydrogen (zinc, bismuth), in oxycyanogen (chromium, magnesium, vanadium, molybdenum, tin, bismuth), and in a premixed oxyacetylene atomizer-burner (strontium, chromium); infrared flame spectra; some special applications: qualitative analysis, extraction methods, flame-photometric titration, indirect flame analysis (halides, sulfate, phosphate, aluminum, zirconium), lead in gasoline, boron, lithium, magnesium, the platinum metals, the rare earths, rubidium, cesium, sodium monitor, aerosol flame analysis, combustion analysis; special topics in interferences: dual atomizers, releasing agents, self-standardization.


    Paper ID: STP45778S

    Committee/Subcommittee: E13.01

    DOI: 10.1520/STP45778S


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